Global Patent Index - EP 3367466 A4

EP 3367466 A4 20181226 - SEPARATOR AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Title (en)

SEPARATOR AND ELECTROCHEMICAL DEVICE COMPRISING SAME

Title (de)

SEPARATOR UND ELEKTROCHEMISCHE VORRICHTUNG DAMIT

Title (fr)

SÉPARATEUR ET DISPOSITIF ÉLECTROCHIMIQUE COMPRENANT CELUI-CI

Publication

EP 3367466 A4 20181226 (EN)

Application

EP 17810567 A 20170608

Priority

  • KR 20160071214 A 20160608
  • KR 2017005977 W 20170608

Abstract (en)

[origin: EP3367466A1] Disclosed are a separator and an electrochemical device including the same. The separator includes: a porous substrate having a plurality of pores; and a pair of porous coating layers formed on at least one surface of the porous substrate, and including a plurality of inorganic particles and a binder disposed partially or totally on the surface of the inorganic particles to connect and fix the inorganic particles with each other, wherein the binder is used in an amount of 5-40 wt% based on the total weight of the porous coating layer, the inorganic particles include boehmite particles, the binder includes a fluorine-based binder and a rubber-based binder, and the fluorine-based binder and the rubber-based binder are used at a weight ratio of 80:20-99.9:0.1.

IPC 8 full level

H01M 10/052 (2010.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/426 (2021.01); H01M 50/451 (2021.01); H01M 50/457 (2021.01); H01M 50/491 (2021.01)

CPC (source: EP KR US)

C08K 3/12 (2013.01 - KR); C08K 3/22 (2013.01 - KR); H01M 10/052 (2013.01 - EP US); H01M 10/0525 (2013.01 - KR US); H01M 50/414 (2021.01 - EP KR US); H01M 50/417 (2021.01 - EP KR US); H01M 50/426 (2021.01 - EP KR US); H01M 50/431 (2021.01 - KR); H01M 50/443 (2021.01 - KR); H01M 50/446 (2021.01 - EP KR US); H01M 50/451 (2021.01 - EP KR US); H01M 50/457 (2021.01 - EP US); H01M 50/489 (2021.01 - KR); H01M 50/491 (2021.01 - EP KR US); C08K 2003/2227 (2013.01 - KR); Y02E 60/10 (2013.01 - EP KR)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3367466 A1 20180829; EP 3367466 A4 20181226; EP 3367466 B1 20210811; CN 108370015 A 20180803; CN 108370015 B 20210316; JP 2019501500 A 20190117; JP 6803913 B2 20201223; KR 102273186 B1 20210705; KR 20170138958 A 20171218; PL 3367466 T3 20211108; US 11245158 B2 20220208; US 2018315969 A1 20181101; WO 2017213444 A1 20171214

DOCDB simple family (application)

EP 17810567 A 20170608; CN 201780004334 A 20170608; JP 2018532715 A 20170608; KR 2017005977 W 20170608; KR 20170071916 A 20170608; PL 17810567 T 20170608; US 201715774049 A 20170608